Patents by Inventor Sadao Suganuma

Sadao Suganuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Foam fire extinguishing agent
    Patent number: 4049556
    Abstract: A foam fire extinguishing agent comprising (1) one or more alkyl acid phosphates and/or one or more salts thereof; (2) one or more amphoteric surface active agents; (3) one or more fluorocarbon-type surface active agents; and (4) an aqueous solution.
    Type: Grant
    Filed: January 20, 1976
    Date of Patent: September 20, 1977
    Assignees: Nippon Chemical Industrial Co., Ltd., Yamato Shokaki Co., Ltd.
    Inventors: Hiroaki Tujimoto, Tatuya Maki, Sadao Suganuma, Taketora Sano